#include <iostream>

int main(){
	using namespace std;

	cout << "This program may reformat your hard disk\n"
		<< "and destory all your data.\n"
		<< "Do you wish to continue? <y/n> ";
	
	char ch;
	cin >> ch;
	if (ch == 'y' || ch == 'Y')
		cout << "You were warned!\a\a\n";
	else if (ch == 'n' || ch == 'N')
		cout << "A wise choice ... bey\n";
	else
		cout << "That wasn't a y or n! Apparently you can't follow\ninstructions, so I'll trash your disk anywau.\a\a\a\n";
	
	return 0;
}